AISI 4340 Steel, normalized, 100 mm (4 in.) round


Subcategory: AISI 4000 Series Steel; Ferrous Metal; Low Alloy Steel; Medium Carbon Steel; Metal

Key Words: alloy steels, UNS G43400, AMS 5331, AMS 6359, AMS 6414, AMS 6415, ASTM A322, ASTM A331, ASTM A505, ASTM A519, ASTM A547, ASTM A646, MIL SPEC MIL-S-16974, B.S. 817 M 40 (UK), SAE J404, SAE J412, SAE J770, DIN 1.6565, JIS SNCM 8, IS 1570 40Ni2Cr1Mo28, IS 1570 40NiCr1Mo15

Component   Wt. %
C0.37 - 0.43 
Cr0.7 - 0.9 
Fe96 
Component   Wt. %
Mn0.7 
Mo0.2 - 0.3 
Ni1.83 
Component   Wt. %
PMax 0.035 
SMax 0.04 
Si0.23 

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